618 



SYSTEMATIC BOTANY. 



b. Ovary not lohed. 



1. Carpels more than three, distinct or combined. 

 Stamens equal in number to the petals and 



opposite them. 

 Stem herbaceous. Style 1. Fruit capsular, 



dehiscent FrimulacecB. 161. 



Stem woody. Style 1. Fruit fleshy inde- 



hiscent Myrsinacece. 159. 



Stem herbaceous or woody. Styles 6, 

 (rarely 3 or 4), Fruit membranous . . Plumbaginacetz. 16'2. 

 Stamens not opposite the petals if of the same 

 number. 

 Carpels distinct. 



Seeds numerous Crassulacea:. 89. 



Seeds few Anonacece. 4. 



Carpels combined. Ovary 2 or more celled. 

 Ovules erect or ascending. 

 JEstivation of the corolla plaited. Fruit 



dry ConvolvulacecB. 151. 



JEstivation "of the corolla imbricate. 



Fruit fleshy Sapotacece. 142. 



Ovules pendulous or suspended, or rarely 

 partly ascending. 

 Stamens twice or four times as many as 



the lobes of the corolla, distinct . Ebenacecc. 140. 



Stamens equal in number to the lobes 

 of the corolla. Filaments distinct. 



Anthers adnate Aquifoliacece . 141. 



Stamens equal in number to the lobes 

 of the corolla. Filaments distinct. 



Anthers versatile Cordiacece. 150. 



Part of the ovules sometimes ascending. 



Filaments more or less cohering . Styracacece. 143. 



2. Carpels three, combined so as to form a 3- 

 ceiled ovary. 



Stem herbaceous. Disk hypogynous . PolemoniacecE. 153. 

 Stem woody. No disk Diapensiaceis. 146. 



3. Carpels two, combined, or more or less distinct. 



Stamens 2. 



Corolla 4-cleft Oleacece. 156. 



Corolla more than 4-cleft .... Jasminacece. 157. 

 Stamens 4 or more. Inflorescence scor- 

 pioidal. 

 Fruit capsular, 1-celled, or imperfectly 2- 



celled UydrophyllacecE . 164. 



Fruit drupaceous. 2 or more celled . . EhretiacecE. 166. 

 Stamens 4 or more. Inflorescence straight. 

 Leafless plants. Parasitical . . . Cuscutacecc. 152. 

 Lealy plants. 

 Leaves alternate. 



Calyx in a broken whorl . . . ConvolvulacecB. 151. 

 Calyx in a complete whorl. 

 Anthers united to the stigma • . Ascl''piadace<E. 149. 

 Anthers free from the stigma. 

 Placentas parietal .... Gentianacece. 148. 

 Placentas axile. 

 .Estivation of corolla valvate or 



induplicato-valvate . . . Solanacece. 154. 

 .Estivation imbricate or some mo- 

 dification of it . . . . Atropacete. 155. 

 Leaves opposite, whorled, or clustered. 

 Anthers united to the stigma . . . Asclcpiadacece. 149. 

 Anthers free Irom the stigma. 

 Leaves with stipules .... Loganiacets. 145. 

 Leaves without stipules. 

 Stigma shaped like an hour-glass. 

 .Esiivatioa of corolla contorted . Apocynacca:. 144. 



